Across
- 1. A term used to indicate the degree of acidity of alkalinity of a soil
- 2. speeds up decay of organic matter
- 4. The total of the fertilizer analysis
- 5. soil Soil having an acid reaction ; ph is below 7.0
- 7. fertilizer Fertilizer that contains all 3 nutrients
- 8. soil Soil that has at least 20% organic matter
- 10. Iron
- 12. Grade is greater than 30
- 13. necessary for chlorophyll or green coloring
- 15. Calcium
- 17. Grade is less then 20
- 18. Ratio of nitrogen phosphorus and potassium in a fertilizer
- 19. analysis Grade is 20-30
- 20. Zinc
Down
- 1. aids in respiration
- 3. Magnesium
- 6. soil Soil having a basic reaction ; ph is above 7.0
- 7. Chloride
- 9. possibility The yield obtained when all nutrients are adequate
- 10. Any natural, manufactured or processed material that contains one or more of the recognized plant nutrients either liquid or dry
- 11. The quantity and grade of materials used to make a fertilizer mixture
- 14. Manganese
- 15. Copper
- 16. part of every living cell